137
Chapter XII. Engine management system
6. Requirements for the operation of a new
2. Features:
in the system is 5 MPa, after 30 minutes the
pressure should not be lower than 1 MPa;
shower pump: if the initial pressure
1. Working environment temperature range:
-30-125°C;
7. Spring rate: 67.6 N/mm;
GBl8351-2010;
14. High pressure fuel pump weight: approx. 600
8. Maximum allowable crankshaft speed: 7000 rpm;
2. System working pressure range: max. 15 MPa;
3. Troubleshooting
(a) If the injection pump O-ring is damaged, replace
his;
3. The range of the fuel pump safety valve: 19-22
MPa;
9. Static winding resistance: 1.15±5% ohm at
23°C;
ÿ 2. "Negative" contact.
10. Normal working voltage: 9V-16.5V;
4. Fuel pump inlet pressure: 550 kPa;
(b) If a fault code related to the high pressure pump occurs, the high pressure
pump fails, or the valve coil control circuit fails, check the high pressure
pump control circuit and related connectors.
4. Pin arrangement
5. Maximum leakage volume: 0.2cc cm/
11. Storage temperature: -40-70°C.
min at 500 kPa
12. Requirements for fuel filtration in the low
pressure line: 10 µm with a minimum filtration
efficiency of 98%;
ÿ 1. "Positive" contact;
13. Fuel used: GBl7930.2011/
Machine Translated by Google
To Next Page